27720385049

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{545387}}^1$

素因数の和:545584

約数の個数: 16

約数和(自身を含む): 32513851008

約数和(自身を除く): 4793465959

約数列:

[1, 7, 53, 137, 371, 959, 7261, 50827, 545387, 3817709, 28905511, 74718019, 202338577, 523026133, 3960055007, 27720385049]

約数ペア:

[(1, 27720385049), (7, 3960055007), (53, 523026133), (137, 202338577), (371, 74718019), (959, 28905511), (7261, 3817709), (50827, 545387)]